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Finding the Fourth Proportional to 625,004.91, 936,258.57 and 287,582.94

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Solution

The fourth proportional to 625,004.91, 936,258.57 and 287,582.94 is: 430,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,004.91 : 936,258.57 = 287,582.94 : x
  2. Step 2: Convert to fraction form
    625,004.91/936,258.57 = 287,582.94/x
  3. Step 3: Cross multiply
    625,004.91x = 936,258.57 × 287,582.94
  4. Step 4: Simplify right side
    625,004.91x = 269,251,992,160.80
  5. Step 5: Solve for x
    x = 269,251,992,160.80/625,004.91
  6. Step 6: Final answer
    x = 430,799.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.